package com.dw.filter;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

@Component
public class LoginFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        ServerHttpRequest request =  exchange.getRequest();
        ServerHttpResponse response = exchange.getResponse();

        String token = request.getHeaders().getFirst("token");

        //String name = exchange.getRequest().getQueryParams().getFirst("id");
//        if(null == token || "".equals(token)){
//            response.getHeaders().add("error", "没有登录");
//            response.setStatusCode(HttpStatus.UNAUTHORIZED);
//            return response.setComplete();
//        }
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 0;
    }
}
